[---]

Jyutping wong4 on1 syun1
Pinyin huáng ān suān

Definitions (Wiktionary)
  1. noun, Taiwan
    sulfamic acid
    (syn.) 氨基磺酸

[---]

Jyutping wong4 on1 syun1
Pinyin huáng àn suān

Definitions (Wiktionary)
  1. noun, Taiwan
    sulfamic acid
    (syn.) 氨基磺酸